Home / 89,920.33-124,090.07-49,634.11

Finding the Fourth Proportional to 89,920.33, 124,090.07 and 49,634.11

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Solution

The fourth proportional to 89,920.33, 124,090.07 and 49,634.11 is: 68,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,920.33 : 124,090.07 = 49,634.11 : x
  2. Step 2: Convert to fraction form
    89,920.33/124,090.07 = 49,634.11/x
  3. Step 3: Cross multiply
    89,920.33x = 124,090.07 × 49,634.11
  4. Step 4: Simplify right side
    89,920.33x = 6,159,100,184.29
  5. Step 5: Solve for x
    x = 6,159,100,184.29/89,920.33
  6. Step 6: Final answer
    x = 68,495.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.